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Note Related party transactions (Impact on the results of operations of transactions between the Corporation and PRLP 2013-1 International, LLC) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Related Party Transaction [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | $ (1,068) | $ (17,608) |
PR Asset Portfolio 2013-1 International, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | (12) | (22) | $ 1,007
Loans | PR Asset Portfolio 2013-1 International, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Interest Income Related Party | 0 | 9 | 1,011
Deposits | PR Asset Portfolio 2013-1 International, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Interest Expense Related Party | $ (12) | $ (31) | $ (4)

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